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phactor9
Joined: 16 Jun 2011
Posts: 78
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 Posted: Tue Nov 22, 2011 6:38 am Post subject: Premeasuring oil for flights |
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At a 50:1 ratio, five gallons of gas requires 12.8 fl oz of two-stroke oil. Therefore, here's my plan for in-trip (as well as pre-trip) refueling.
Buy a six-pack of plastic 16.9 fl oz softdrink bottles. Drink contents. Clean and dry bottles thoroughly. Remove labels. Mark gradients very carefully onto the outside surface of the bottles; preferably in one-fl-oz graduations (but essentially, in 1/8th graduations in the case you decide to top off with gas, described next). Measure out exactly 12.8 fl oz into each bottle and top off with one or two fl oz of gas. Throw bottles into your gunny sack before flying.
Now, if you have decided to top off each bottle with one-to-two fl oz of gas, then the gradients you mark on the sides of the bottles should allow for that. Topping off each bottle does two things: 1) it reduces the viscosity of the oil so it pours easily, and 2) it hopefully enhances the premixing of the oil with the rest of the gas in your tank.
Then, when you put five gallons of gas into your tank, just empty one of these bottles into it and you're good to go. If you just partially top off your tank, then pour in only the quantity from one of the bottles that makes up the 50:1 ratio (hopefully both your fuel tank and your bottles are marked well and accurately, and you old folk brought your calculator with you).
Comments?
Phil H.
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David d.
Joined: 04 Jul 2011
Posts: 60
Location: Fitzgerald Ga.
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| Posted: Tue Nov 22, 2011 7:08 am Post subject: Re: Premeasuring oil for flights |
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Phactor,
I would be Leary of using drink bottles (cheap plastic) for the storage of petroleum products. Many drink and water bottles are made to dissolve in a few months.
David d.
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Tue Nov 22, 2011 7:25 am Post subject: Premeasuring oil for flights |
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Buy a six-pack of plastic 16.9 fl oz softdrink bottles. Drink contents. Clean and dry bottles thoroughly. Remove labels. Mark gradients very carefully onto the outside surface of the bottles; preferably in one-fl-oz graduations (but essentially, in 1/8th graduations in the case you decide to top off with gas, described next). Measure out exactly 12.8 fl oz into each bottle and top off with one or two fl oz of gas. Throw bottles into your gunny sack before flying.
Comments?
Phil H.
| Quote: | | Phil H/Kolbers: Whatever works for you should be just fine. I did a lot of long two stroke cross country flights in my US, FS, and MKIII. Remember loading 12 qts of Pennzoil for air cooled engines in the FS, because that oil was impossible to find, on the road, back in the 1980's. Normally, I estimated how much fuel I was going to add to the tank, then poured in the oil right from the original 1 qt container. Topped off with fuel. Then rocked the aircraft fore and aft to mix the oil. Once at Norwich, NY, I forgot to rock the FS. Took off and started losing power. Figured out what was wrong, pulled the enricher wide open and regained enough power to land. If I had not pulled the enricher, the engine would have died before I got back on the ground. My float bowl and lines were mostly Pennzoil. |
0123456789012
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John Hauck
MKIII/912ULS
hauck's holler
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olendorf
Joined: 06 Jul 2006
Posts: 140
Location: Schenectady, NY USA
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| Posted: Tue Nov 22, 2011 4:43 pm Post subject: Re: Premeasuring oil for flights |
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That idea sounds really inconvenient. You will be carrying fuel you don't need and less oil that you might need. Since you have already marked gradients on one of the bottles it is a simple matter to measure just the right amount of oil and dump it in when you get gas. I wouldn't mark in 1 ounce gradients though, I mark mine in gallons. Then you don't have to do the math. You fill up and get 4 gallons then you add oil to the 4 gallon mark and dump it in. Can't get any easier.
I used a Prestone antifreeze container to hold my 2 stroke oil for my long trips. It's nice and slim for storage.
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Original Firestar, Rotax 447, Powerfin prop
Schenectady, NY
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Dana
Joined: 13 Dec 2007
Posts: 1047
Location: Connecticut, USA
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| Posted: Tue Nov 22, 2011 5:42 pm Post subject: Premeasuring oil for flights |
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At 07:43 PM 11/22/2011, olendorf wrote:
| Quote: | --> Kolb-List message posted by: "olendorf" <olendorf(at)gmail.com>
That idea sounds really inconvenient. You will be carrying fuel you don't need and less oil that you might need. Since you have already marked gradients on one of the bottles it is a simple matter to measure just the right amount of oil and dump it in when you get gas. I wouldn't mark in 1 ounce gradients though, I mark mine in gallons. Then you don't have to do the math. You fill up and get 4 gallons then you add oil to the 4 gallon mark and dump it in. Can't get any easier. |
I use a large syringe, I think it's 250cc or so, with a label calibrated in gallons at the appropriate mix ratio. Knowing approximately how much fuel I'll need, I fill the syringe to that amount and squirt it into the tank as I'm pumping the gas, repeat as necessary. I fill the syringe from a Nalgene bottle of oil to into whose cap I've mounted a Luer fitting (the standard syringe connection) and suck in the amount of oil I'll need.
At home I just premix in the can, of course.
-Dana
--
A conclusion is the place where you get tired of thinking.
[quote][b]
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Arty Trost
Joined: 25 May 2006
Posts: 205
Location: Sandy, Oregon
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| Posted: Sat Nov 26, 2011 9:53 am Post subject: Premeasuring oil for flights |
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Easiest way I found - go to a marine supply store and buy a plastic bottle (with lid) that has all the measurements on it. By ALL I mean that it shows mixing ratios AND ounces. Ratios (50:1 ratios, 25:1, 75:1 and 100-1 are on the horizontal,
Oz. are marked on the vertical. They're pretty inexpensive. Out here in Oregon, we used to have a store called G.I.Joes - a sporting goods store - and you could also buy them there.
Arty Trost
Sandy, OR
www.LessonsFromTheEdge.com/oshkosh/
"Life's a daring adventure or nothing"
Helen Keller
"I refuse to tip toe through life just to arrive safely at death."
From: Phil <phactor9(at)yahoo.com>
To: kolb-list(at)matronics.com
Sent: Tuesday, November 22, 2011 6:35 AM
Subject: Premeasuring oil for flights
At a 50:1 ratio, five gallons of gas requires 12.8 fl oz of two-stroke oil. Therefore, here's my plan for in-trip (as well as pre-trip) refueling.
Buy a six-pack of plastic 16.9 fl oz softdrink bottles. Drink contents. Clean and dry bottles thoroughly. Remove labels. Mark gradients very carefully onto the outside surface of the bottles; preferably in one-fl-oz graduations (but essentially, in 1/8th graduations in the case you decide to top off with gas, described next). Measure out exactly 12.8 fl oz into each bottle and top off with one or two fl oz of gas. Throw bottles into your gunny sack before flying.
Now, if you have decided to top off each bottle with one-to-two fl oz of gas, then the gradients you mark on the sides of the bottles should allow for that. Topping off each bottle does two things: 1) it reduces the viscosity of the oil so it pours easily, and 2) it hopefully enhances the premixing of the oil with the rest of the gas in your tank.
Then, when you put five gallons of gas into your tank, just empty one of these bottles into it and you're good to go. If you just partially top off your tank, then pour in only the quantity from one of the bottles that makes up the 50:1 ratio (hopefully both your fuel tank and your bottles are marked well and accurately, and you old folk brought your calculator with you).
Comments?
Phil H.
[quote]http://www.matronics.com/con================
[b]
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Ozarkflyer
Joined: 19 Jun 2009
Posts: 68
Location: Mtn. View, AR
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| Posted: Sat Nov 26, 2011 10:22 am Post subject: Re: Premeasuring oil for flights |
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West Marine has 1 qt. size premeasuring containers for about $5.
www.westmarine.com
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